Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have No O₂ in flue gas CO in flue gas High excess air None of these No O₂ in flue gas CO in flue gas High excess air None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace aerodynamics is related to the __________ in the furnace. Pressure adjustment Movement of gases Temperature control Measurement of flue gas volume Pressure adjustment Movement of gases Temperature control Measurement of flue gas volume ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 80 20 50 5 80 20 50 5 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Either more or less; depends on the flue gas density Answer: Option B More Less Same Either more or less; depends on the flue gas density Answer: Option B More Less Same ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The method of Lobo and Evans is concerned with the calculation of the Heat transfer by forced convection in a reboiler Heat absorption in radiant section of a furnace Heat transfer in vacuum condensers Mass transfer co-efficient Heat transfer by forced convection in a reboiler Heat absorption in radiant section of a furnace Heat transfer in vacuum condensers Mass transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Rotary Diffusion Premix Outside mixing type Rotary Diffusion Premix Outside mixing type ANSWER DOWNLOAD EXAMIANS APP